hoary mountain-mint

Pycnanthemum incanum · Accepted scientific name

Scientific literature: Very Extensive (230 studies) · ★★★★★

Hoary mountain-mint, scientifically known as Pycnanthemum incanum, is a resilient perennial herb native to North America. Distinguished by its silvery, fuzzy foliage and clusters of white flowers, this plant serves as a vital nectar source for pollinators. It is highly valued in ecological landscaping for its hardiness and medicinal potential.

Family
Lamiaceae
Native range
Northern America
Parts used
Not available
Common names
Hoary Mountain-Mint
Scientific synonyms
Koellia Incana

Names and Synonyms

Common Names

Scientific Names

Accepted name

Pycnanthemum incanum

Synonyms

Regional and Traditional Names

French:

  • pycnanthème gris

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae, the order Lamiales, and the family Lamiaceae. Finally, it is identified by the genus Pycnanthemum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Lamiaceae
Genus Pycnanthemum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern across several regions of the United States. In the North-Central U.S.A., it can be found growing in Illinois. Its range extends into the Northeastern U.S.A., where it is documented in Indiana. Additionally, this species is present within the states of Connecticut and Massachusetts. Finally, the plant's geographical presence is also noted in New Jersey.

Region Area
North-Central U.S.A. Illinois
Northeastern U.S.A. Connecticut
Northeastern U.S.A. Indiana
Northeastern U.S.A. Massachusetts
Northeastern U.S.A. New Jersey
Northeastern U.S.A. New York
Northeastern U.S.A. Ohio
Northeastern U.S.A. Pennsylvania
Northeastern U.S.A. Vermont
Northeastern U.S.A. West Virginia

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Pycnanthemum incanum is characterized by its classification as a perennial plant, allowing it to persist through multiple growing seasons rather than completing its cycle in a single year. In terms of its structural adaptation to environmental conditions, the species functions as a hemicryptophyte, a life form where the perennative buds are located at or just below the soil surface, protected by leaf litter or the ground layer during unfavorable periods. This growth habit enables the plant to re-emerge reliably each season, utilizing its underground structures to support its long-term survival and reproductive strategies within its natural habitat.

Life form :
hemicryptophyte
Lifecycle :
perennial

Morphology

The morphology of Pycnanthemum incanum is characterized by its growth form as a non-woody herb, specifically classified as a forb. It functions as a self-supporting plant, exhibiting no climbing or liana-like tendencies, and grows in a self-supporting manner without the need for external structural assistance. As an independent organism, it does not exhibit parasitic behavior and is strictly terrestrial in its habitat, lacking any aquatic, semiaquatic, or epiphytic characteristics.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Growth form :
forb
Parasite :
independent
Woodiness :
non-woody

Reproduction

Reproduction in Pycnanthemum incanum is primarily driven by its flowering cycle, which occurs during the mid-to-late summer months. The flowering process typically begins in July and continues through August, marking the peak period for sexual reproduction through the production of small, nectar-rich flowers that attract various pollinators. During this window, the plant produces inflorescences that facilitate the transfer of pollen, essential for seed development. Following successful pollination, the plant transitions toward seed maturation, ensuring the dispersal of the next generation.

Flowering time :
Jul
Flowering time :
Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Pycnanthemum incanum has 28 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 1,8-Cineole, MYRCENE, Pulegone, 1-OCTEN-3-OL, 3-OCTANOL.

Chemicals reported in Pycnanthemum incanum
Chemical Supporting sources Consensus
1,8-Cineole 2 supporting sources ★☆☆☆☆
MYRCENE 2 supporting sources ★☆☆☆☆
Pulegone 2 supporting sources ★☆☆☆☆
1-OCTEN-3-OL 1 supporting sources ★☆☆☆☆
3-OCTANOL 1 supporting sources ★☆☆☆☆
3-Octyl acetate 1 supporting sources ★☆☆☆☆
ALPHA-PINENE 1 supporting sources ★☆☆☆☆
BETA-ELEMENE 1 supporting sources ★☆☆☆☆
BETA-PINENE 1 supporting sources ★☆☆☆☆
Bicyclogermacrene 1 supporting sources ★☆☆☆☆

1,8-Cineole

  1. Dr. Duke
  2. Plants (Basel, Switzerland)

MYRCENE

  1. Dr. Duke
  2. Journal of agricultural and food chemistry

Pulegone

  1. Dr. Duke
  2. Journal of agricultural and food chemistry

1-OCTEN-3-OL

  1. Dr. Duke

3-OCTANOL

  1. Dr. Duke

3-Octyl acetate

  1. Dr. Duke

ALPHA-PINENE

  1. Dr. Duke

BETA-ELEMENE

  1. Dr. Duke

BETA-PINENE

  1. Dr. Duke

Bicyclogermacrene

  1. Dr. Duke

Activities

Pycnanthemum incanum has 199 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include (-)-Chronotropic, (-)-Inotropic, ACE-Inhibitor, AChE-Inhibitor, Acaricide.

Activities reported in Pycnanthemum incanum
Activity Supporting sources Consensus
(-)-Chronotropic 1 supporting sources ★☆☆☆☆
(-)-Inotropic 1 supporting sources ★☆☆☆☆
ACE-Inhibitor 1 supporting sources ★☆☆☆☆
AChE-Inhibitor 1 supporting sources ★☆☆☆☆
Acaricide 1 supporting sources ★☆☆☆☆
Aldose-Reductase-Inhibitor 1 supporting sources ★☆☆☆☆
Allelochemic 1 supporting sources ★☆☆☆☆
Allelopathic 1 supporting sources ★☆☆☆☆
Allergenic 1 supporting sources ★☆☆☆☆
Analgesic 1 supporting sources ★☆☆☆☆

(-)-Chronotropic

  1. Dr. Duke

(-)-Inotropic

  1. Dr. Duke

ACE-Inhibitor

  1. Dr. Duke

AChE-Inhibitor

  1. Dr. Duke

Acaricide

  1. Dr. Duke

Aldose-Reductase-Inhibitor

  1. Dr. Duke

Allelochemic

  1. Dr. Duke

Allelopathic

  1. Dr. Duke

Allergenic

  1. Dr. Duke

Analgesic

  1. Dr. Duke